120211000101 has 20 divisors (see below), whose sum is σ = 179589597792. Its totient is φ = 80133909768.

The previous prime is 120211000099. The next prime is 120211000123. The reversal of 120211000101 is 101000112021.

It is a happy number.

It is not a de Polignac number, because 120211000101 - 2¹ = 120211000099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211000141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1018696 + ... + 1130558.

Almost surely, 2^120211000101 is an apocalyptic number.

It is an amenable number.

120211000101 is a deficient number, since it is larger than the sum of its proper divisors (59378597691).

120211000101 is a wasteful number, since it uses less digits than its factorization.

120211000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125142 (or 125133 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120211000101 its reverse (101000112021), we get a palindrome (221211112122).

The spelling of 120211000101 in words is "one hundred twenty billion, two hundred eleven million, one hundred one", and thus it is an aban number.